+197 A shopkeeper bought a 20 pound box of salt fish which cost $160. He sold the salt fish at $10 a pound. His profit as a percentage of the cost price was
+58 Bought price:
$160 / 20 pounds = $8 / pound
Sold price = $10 / pound
Profit:
( 10 - 8 ) / 8 = 2 / 8 = 2 ∙ 1 / 2 ∙ 4 = 1 / 4 = 0.25
0.25 ∙ 100% = 25 %
+58 Bought price:
$160 / 20 pounds = $8 / pound
Sold price = $10 / pound
Profit:
( 10 - 8 ) / 8 = 2 / 8 = 2 ∙ 1 / 2 ∙ 4 = 1 / 4 = 0.25
0.25 ∙ 100% = 25 %
